Thickness Planer or Drum Sander

First: I have a 20” 900 pound Grizzly thickness planer that has been taking up a lot of room in my shop, I do use it but I was thinking of selling it and freeing up some space. I have a 22/44 Jet Drum sander that would do the same job using 60 or 80 grit paper, Second: If I do sell it I would get a 13” Dewalt planer that could be moved around much easier and stored under a bench. So what I was wondering is how many people would take this step? I’m conflicted about it but I ...